Hardware Spec Index

Caldera FN-5681 Pro 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN5681-PRO · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index995 (Case Fans scale)
Category rank#18,803
Street price$29
Power4 W
Performance per dollar34.31
Released2025

Specifications

BrandCaldera
ModelCaldera FN-5681 Pro
Size140 × 140 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-6712 SE 120mm PWM Case Fan508$19Compare
Caldera FN-8552 Max 120mm PWM Case Fan201$9Compare
Teralux FN-2221 Edge 140mm PWM Case Fan591$19Compare
Caldera FN-3132 SE 140mm PWM ARGB Case Fan1,125$39Compare
Zephyra FN-8651 Ultra 140mm PWM ARGB Case Fan1,222$49Compare
Zephyra FN-7861 XT 140mm PWM ARGB Case Fan (3-Pack)1,110$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-5681 Pro 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/11631016 (accessed 2026-10-19).